Stump eradicator

Details Stump eradicator Stump eradicator

1977-07-14

1979-12-25

Spruill, R. L.

Woodworking

Special-work machine

144 42, 144218, 144236, 144237, 144326R, 2412921, B27C 900

Patent

active

041801075

ABSTRACT:
Apparatus for eradicating tree stumps comprising a rotary cylinder or drum having knives or teeth around its periphery. The teeth include both cutter teeth and chipper teeth. The primary purpose of the chipper teeth is to hog out and remove the fibrous wood material. The primary purpose of the cutter teeth is to break up and cut or slit the fibers so that they may be more easily hogged out by the chipper teeth.

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patent: 3389726 (1968-06-01), Good
patent: 3845796 (1974-11-01), Moore
patent: 3868980 (1975-03-01), Blum

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